标题: A variable step-size sign algorithm for channel estimation
作者: Li, Yuan-Ping
Lee, Ta-Sung
Wu, Bing-Fei
电机资讯学士班
Undergraduate Honors Program of Electrical Engineering and Computer Science
关键字: Adaptive filters;Channel estimation;Impulsive noise;Least mean square;Sign algorithm;System identification
公开日期: 1-九月-2014
摘要: This paper proposes a new variable step-size sign algorithm (VSSA) for unknown channel estimation or system identification, and applies this algorithm to an environment containing two-component Gaussian mixture observation noise. The step size is adjusted using the gradient-based weighted average of the sign algorithm. The proposed scheme exhibits a fast convergence rate and low misadjustment error, and provides robustness in environments with heavy-tailed impulsive interference. (C) 2014 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.sigpro.2014.03.030
http://hdl.handle.net/11536/24603
ISSN: 0165-1684
DOI: 10.1016/j.sigpro.2014.03.030
期刊: SIGNAL PROCESSING
Volume: 102
Issue: 
起始页: 304
结束页: 312
显示于类别:Articles


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